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Multiple Choice
Which process yields a net gain of 2 ATP per glucose molecule during glycolysis?
A
Glycolysis
B
Fermentation
C
Electron Transport Chain
D
Citric Acid Cycle
Verified step by step guidance
1
Understand the context of glycolysis: Glycolysis is the metabolic pathway that converts glucose into pyruvate, releasing energy in the form of ATP.
Identify the net ATP gain in glycolysis: During glycolysis, 4 ATP molecules are produced, but 2 ATP molecules are consumed, resulting in a net gain of 2 ATP molecules per glucose molecule.
Compare glycolysis with other processes: Fermentation, Electron Transport Chain, and Citric Acid Cycle are other metabolic processes, but they do not yield a net gain of 2 ATP per glucose molecule during glycolysis.
Recognize the role of glycolysis in cellular respiration: Glycolysis is the first step in cellular respiration and occurs in the cytoplasm, independent of oxygen availability.
Conclude that glycolysis is the correct process: Based on the net ATP gain and the role of glycolysis in energy production, glycolysis is the process that yields a net gain of 2 ATP per glucose molecule.